<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        *{
            padding:0;
            margin:0;
        }
        div{
            width: 49%;
            background: #eee;
            height: 100px;
            display: inline-block;
        }
    </style>
</head>
<body>
    <div>1</div>
    <div>2</div>
    <div style="height: 60px;">3</div>
    <div>4</div>
    <div>5</div>
    <div>6</div>
    <div>7</div>
    <div>8</div>
</body>
</html>